Normal or No

Tay
For two days I was spotting pink where it only shows when I wipe. But the third day I got a period is that a early period sign or what? I've heard everything about it being a pregnancy sign but I had a normal period flow so I'm kind of scared what if it was pregnancy and something went wrong because I got into a bad argument with my boyfriend the day before I got it and I was stressing really bad. Now I'm not bleeding but having really bad pain in my stomach. I'm wondering